The metric oval head (raised countersunk head) slotted wood screws defined in the DIN 95 standard published by the German Standardization Institute (DIN) are the preferred fasteners for fastening wood to wood or hardware to wood. The cutting edge aggressive self-tapping piece thread allows to effectively penetrate and grip the wood to create strong joints. Oval heads are countersunk (conical under the head) with a slightly rounded apex. These are often used to attach finishing hardware (e.g. hinges) to wood. The slotted driver is a simple slot for a flathead screwdriver carved into the outer surface of the head. Oval head slotted wood screws are produced in stainless steel in diameters from M3 to M8 up to 100 mm long.
The requirements in the DIN 95 standard are under the following headings:
Slotted oval head wood screws are designed to firmly and efficiently join two pieces of wood. Wood screws are partially threaded with a shoulder under the screw head designed to slide through the top wood so that it can pull both boards tight. Slotted oval head wood screws have a countersunk and undercut head with a raised decorative crown. These screws are manufactured in corrosion resistant 18-8 stainless steel or solid brass. Stainless steel is used for its corrosion and rust resistance as well as its durability in freshwater environments. Brass, on the other hand, is valued for its corrosion resistance, but is not considered suitable for all applications because it is too soft. Brass conducts electricity and is also a good conductor of heat.
Among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, our organization, with its trained and expert staff and advanced technological equipment, has been producing slotted oval head wood screws within the scope of DIN 95 standard.China also provides testing services.
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